Conference proceeding
High-Fidelity Simulations of Fuel Injection and Atomization of a Hybrid Air-Blast Atomizer
American Institute of Aeronautics and Astronautics. AIAA Meeting Papers
AIAA Aerospace Sciences Meeting, 54 (San Diego, California, 01/04/2016–01/08/2016)
01/01/2016
Handle:
https://hdl.handle.net/2376/119516
Appears in Aviation Sustainability Center (ASCENT)
Abstract
This paper presents high-fidelity simulations of fuel injection and atomization in a hybrid air-blast atomizer for realistic gas turbine engines. In particular, the fuel injection and atomization characteristics under lean-blowout conditions are considered which corresponds to a low liquid Weber number. A Volume-of-Fluid approach is combined with a Lagrangian particle framework to accurately simulate the fuel injection and atomization for the pilot pressure-swirl atomizer. The simulation results are compared to the experimental measurements from PDPA techniques. Good agreement is found for spray angle, droplet size and droplet velocities. However, the simulation predicts an early breakup compared to the experiments due to the stringent mesh resolution requirement under low liquid Weber number conditions.
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Details
- Title
- High-Fidelity Simulations of Fuel Injection and Atomization of a Hybrid Air-Blast Atomizer
- Creators
- Peter C. Ma - Stanford UniversityLucas Esclape - Stanford UniversitySerena Carbajal - Stanford UniversityMatthias Ihme - Stanford UniversityTimo BuschhagenSameer V. NaikJay P. Gore - Purdue University West LafayetteRobert P. Lucht - Purdue University West Lafayette
- Publication Details
- American Institute of Aeronautics and Astronautics. AIAA Meeting Papers
- Conference
- AIAA Aerospace Sciences Meeting, 54 (San Diego, California, 01/04/2016–01/08/2016)
- Academic Unit
- Aviation Sustainability Center (ASCENT); Alternative Jet Fuel
- Publisher
- American Institute of Aeronautics and Astronautics
- Grants
- 13-C-AJFE-SU-010, Federal Aviation Administration (United States, Washington) - FAA13-C-AJFE-PU-05, 11, Federal Aviation Administration (United States, Washington) - FAA
- Identifiers
- 99900621894101842
- Language
- English
- Resource Type
- Conference proceeding